Hi folks,
from time to time I get the following exception querying my db. I have no
idea what this means. Executing the same query a few seconds later (just by
clicking the button that triggers the query one more time) passes without
any problems.
Caused by: org.apache.ojb.broker.PersistenceBrokerException:
java.lang.NullPointerException
at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Que
ryReferenceBroker.java:250)
at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Que
ryReferenceBroker.java:262)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Pe
rsistenceBrokerImpl.java:1093)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQu
ery(DelegatingPersistenceBroker.java:322)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQu
ery(DelegatingPersistenceBroker.java:322)
at de.armax.base.entity.persistence.AXpersistenceBrokerOjb.getVector(AXpers
istenceBrokerOjb.java:222)
... 61 more
Caused by: java.lang.NullPointerException
at org.apache.ojb.broker.core.PersistenceBrokerImpl.getTopLevelClass(Persis
tenceBrokerImpl.java:1639)
at org.apache.ojb.broker.core.QueryReferenceBroker.getReferencedObjectIdent
ity(QueryReferenceBroker.java:433)
at org.apache.ojb.broker.core.QueryReferenceBroker.retrieveReference(QueryR
eferenceBroker.java:339)
at org.apache.ojb.broker.core.QueryReferenceBroker.retrieveReferences(Query
ReferenceBroker.java:400)
at org.apache.ojb.broker.accesslayer.RsIterator.getObjectFromResultSet(RsIt
erator.java:498)
at org.apache.ojb.broker.accesslayer.RsIterator.next(RsIterator.java:293)
at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Que
ryReferenceBroker.java:146)
at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Que
ryReferenceBroker.java:242)
... 66 more
Any ideas?
Peter
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
